/* ========== 杨梅AI百科网 - 全站增强样式 ========== */

/* 阅读进度条 */
.se-progress-bar {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  width: 0;
  background: linear-gradient(90deg, #C41E3A, #E03A52);
  z-index: 99998;
  transition: width 0.1s ease-out;
}

/* 返回顶部按钮 */
.se-backtop {
  position: fixed;
  right: 24px;
  bottom: 80px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--color-border, #e5e5e7);
  background: var(--color-surface, #fff);
  color: var(--color-text-secondary, #666);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(0,0,0,0.1);
  z-index: 99997;
  transition: all 0.24s ease-out;
}
.se-backtop:hover {
  background: var(--color-primary, #C41E3A);
  color: #fff;
  border-color: var(--color-primary, #C41E3A);
  transform: translateY(-2px);
}

/* Toast 轻提示 */
.se-toast {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.9);
  background: rgba(0,0,0,0.82);
  color: #fff;
  padding: 12px 28px;
  border-radius: 10px;
  font-size: 14px;
  z-index: 99999;
  opacity: 0;
  pointer-events: none;
  transition: all 0.24s ease-out;
  backdrop-filter: blur(8px);
}
.se-toast.show {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

/* 搜索联想下拉 */
.se-autocomplete {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  margin-top: 6px;
  background: var(--color-surface, #fff);
  border: 1px solid var(--color-border, #e5e5e7);
  border-radius: 12px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.12);
  z-index: 1000;
  max-height: 360px;
  overflow-y: auto;
}
.se-autocomplete .se-ac-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  cursor: pointer;
  transition: background 0.24s;
  font-size: 14px;
}
.se-autocomplete .se-ac-item:hover {
  background: var(--color-surface-hover, rgba(0,0,0,0.04));
}
.se-autocomplete .se-ac-icon {
  flex-shrink: 0;
  font-size: 16px;
}
.se-autocomplete .se-ac-text {
  flex: 1;
  color: var(--color-text, #1a1a1a);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.se-autocomplete .se-ac-type {
  font-size: 11px;
  color: var(--color-text-muted, #999);
  flex-shrink: 0;
  padding: 2px 8px;
  background: var(--color-surface-2, rgba(0,0,0,0.04));
  border-radius: 10px;
}

/* 侧边目录 TOC */
.se-toc {
  position: fixed;
  right: 24px;
  top: 50%;
  transform: translateY(-50%);
  width: 200px;
  max-height: 60vh;
  overflow-y: auto;
  background: var(--color-surface, #fff);
  border: 1px solid var(--color-border, #e5e5e7);
  border-radius: 12px;
  padding: 16px;
  z-index: 100;
  box-shadow: 0 4px 20px rgba(0,0,0,0.06);
}
.se-toc-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text, #1a1a1a);
  margin-bottom: 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-border, #e5e5e7);
}
.se-toc ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.se-toc-item {
  font-size: 12px;
  color: var(--color-text-secondary, #666);
  padding: 6px 8px;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.24s;
  line-height: 1.4;
}
.se-toc-item.sub {
  padding-left: 20px;
  font-size: 11px;
}
.se-toc-item:hover {
  background: var(--color-surface-hover, rgba(0,0,0,0.04));
  color: var(--color-text, #1a1a1a);
}
.se-toc-item.active {
  color: var(--color-primary, #C41E3A);
  background: rgba(196,30,58,0.06);
  font-weight: 500;
}
@media (max-width: 1200px) {
  .se-toc { display: none; }
}

/* 收藏按钮 */
.se-fav-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-left: 12px;
  padding: 6px 14px;
  border-radius: 20px;
  border: 1px solid var(--color-border, #e5e5e7);
  background: transparent;
  color: var(--color-text-secondary, #666);
  font-size: 13px;
  cursor: pointer;
  transition: all 0.24s;
  vertical-align: middle;
}
.se-fav-btn:hover {
  border-color: #C41E3A;
  color: #C41E3A;
}
.se-fav-btn.active {
  background: #C41E3A;
  color: #fff;
  border-color: #C41E3A;
}

/* 收藏卡片 */
.se-fav-card {
  background: var(--color-surface, #fff);
  border: 1px solid var(--color-border, #e5e5e7);
  border-radius: 12px;
  padding: 16px;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.se-fav-card-title {
  flex: 1;
  font-size: 15px;
  font-weight: 500;
}
.se-fav-card-title a {
  color: var(--color-text, #1a1a1a);
  text-decoration: none;
}
.se-fav-card-title a:hover {
  color: #C41E3A;
}
.se-fav-card-desc {
  font-size: 12px;
  color: var(--color-text-muted, #999);
  margin-top: 4px;
}
.se-fav-remove {
  padding: 4px 12px;
  border-radius: 6px;
  border: 1px solid var(--color-border, #e5e5e7);
  background: transparent;
  color: var(--color-text-secondary, #666);
  font-size: 12px;
  cursor: pointer;
  transition: all 0.24s;
}
.se-fav-remove:hover {
  border-color: #C41E3A;
  color: #C41E3A;
}

/* 复制按钮 */
.se-copy-btn {
  position: absolute;
  top: 8px;
  right: 8px;
  padding: 4px 12px;
  border-radius: 6px;
  border: 1px solid var(--color-border, #e5e5e7);
  background: var(--color-surface, #fff);
  color: var(--color-text-secondary, #666);
  font-size: 12px;
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.24s;
  z-index: 5;
}
pre:hover .se-copy-btn,
.code-block:hover .se-copy-btn,
.prompt-box:hover .se-copy-btn {
  opacity: 1;
}
.se-copy-btn:hover {
  background: var(--color-primary, #C41E3A);
  color: #fff;
  border-color: var(--color-primary, #C41E3A);
}

/* 懒加载图片过渡 */
img.lazy-loaded {
  transition: opacity 0.24s ease-out;
}

/* 深色主题适配 */
[data-theme="dark"] .se-autocomplete {
  background: #1a1d2e;
  border-color: rgba(148,163,184,0.15);
}
[data-theme="dark"] .se-toc {
  background: #1a1d2e;
  border-color: rgba(148,163,184,0.12);
}
[data-theme="dark"] .se-backtop {
  background: #1a1d2e;
  border-color: rgba(148,163,184,0.2);
  color: #ccc;
}
[data-theme="dark"] .se-fav-card {
  background: #1a1d2e;
  border-color: rgba(148,163,184,0.12);
}
[data-theme="dark"] .se-copy-btn {
  background: #2a2d3e;
  border-color: rgba(148,163,184,0.15);
  color: #aaa;
}
/* v2.3 标题条无缝衔接 */
.brand-strip { margin-top: 0 !important; border-top: none !important; border-bottom: none !important; }